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仅存单个excel表格就用df.to_excel更简单
pd.ExcelWriter保存结果到已存在的excel文件中，并支持多个sheet表格写入excel。
Python对excel更多功能编程需要安装openpyxl第三方包
Python代码如下
# -*- coding: utf-8 -*-
"""
Created on Sat Nov 30 13:24:28 2019 @author: 231469242@qq.com
"""
import numpy as np
import pandas as pd df1 = pd.DataFrame({"name": ['Alfred', 'Batman', 'Catwoman'],
"toy": [np.nan, 'Batmobile', 'Bullwhip'],
"born": [pd.NaT, pd.Timestamp("1940-04-25"),
pd.NaT]}) df2 = pd.DataFrame({"name": ['Alfred', 'Jim', 'Catwoman'],
"toy": [np.nan, 'Batmobile', 'Bullwhip'],
"born": ['Greens',pd.Timestamp("1940-04-25"),
pd.NaT]}) with pd.ExcelWriter('result.xls') as writer:
df1.to_excel(writer, sheet_name='sheet1')
df2.to_excel(writer, sheet_name='sheet2') #仅存单个excel表格就用to_excel更简单
df1.to_excel("result.xlsx")
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